From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751523AbdAaQkM (ORCPT ); Tue, 31 Jan 2017 11:40:12 -0500 Received: from mail-wj0-f193.google.com ([209.85.210.193]:34915 "EHLO mail-wj0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751323AbdAaQkB (ORCPT ); Tue, 31 Jan 2017 11:40:01 -0500 Date: Tue, 31 Jan 2017 17:39:56 +0100 From: Ingo Molnar To: Borislav Petkov Cc: Mike Galbraith , Andrey Ryabinin , Thomas Gleixner , LKML , "H. Peter Anvin" Subject: Re: [PATCH] x86/microcode: Do not access the initrd after it has been freed Message-ID: <20170131163956.GC16162@gmail.com> References: <20170125172321.fpy6cswq3ibqvfgo@pd.tnic> <16165aad-5990-51f9-4dc7-c4b68597a4d5@virtuozzo.com> <20170125192336.kmgxmwcffdo2gxrf@pd.tnic> <20170126165833.evjemhbqzaepirxo@pd.tnic> <7d07442a-c64e-797b-c8c4-ef453df30cde@virtuozzo.com> <20170127090915.zh7ct7cnvx2ds7qk@pd.tnic> <20170130084632.GA25091@gmail.com> <20170130093527.syjz7yldgndml7qb@pd.tnic> <20170131074355.GA17636@gmail.com> <20170131100122.r6ubk5z3t2vm3hxl@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170131100122.r6ubk5z3t2vm3hxl@pd.tnic> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Borislav Petkov wrote: > On Tue, Jan 31, 2017 at 08:43:55AM +0100, Ingo Molnar wrote: > > (Cc:-ed Mike as this could explain his early boot crash/hang? > > Mike: please try -tip f18a8a0143b1 that I just pushed out. ) > > One other thing to try, Mike, is boot with "dis_ucode_ldr". See whether > that makes it go away. > > > Nice - I've updated the branch with your resolution. Could you please > > double-check the double checked resolution? > > That's like quadruple-checked :-) Yeah, so when I wrote that I was pondering whether that counts as triple or quadruple checked. I couldn't make up my mind ;-) Thanks, Ingo